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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick 2D Renderer module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CONTEXT_H
#define CONTEXT_H
#include <private/qsgcontext_p.h>
#include <private/qsgrenderer_p.h>
#include <private/qsgadaptationlayer_p.h>
#include <QtCore/QElapsedTimer>
#include <QtGui/QOpenGLShaderProgram>
#include <QtGui/QBackingStore>
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERLOOP)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_COMPILATION)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_TEXTURE)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_GLYPH)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERER)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_INFO)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_RENDERLOOP)
namespace SoftwareContext
{
class Renderer : public QSGRenderer
{
public:
Renderer(QSGRenderContext *context);
void renderScene(GLuint fboId = 0) override;
void render() override;
void nodeChanged(QSGNode *node, QSGNode::DirtyState state) override;
QBackingStore *backingStore() const { return m_backingStore.data(); }
private:
QScopedPointer<QBackingStore> m_backingStore;
QRect m_dirtyRect;
};
class PixmapRenderer : public QSGRenderer
{
public:
PixmapRenderer(QSGRenderContext *context);
void renderScene(GLuint fboId = 0) override;
void render() override;
void render(QPixmap *target);
QRect m_projectionRect;
};
class RenderContext : public QSGRenderContext
{
public:
RenderContext(QSGContext *ctx);
void initialize(QOpenGLContext *context) override;
void initializeIfNeeded();
void invalidate() override;
void renderNextFrame(QSGRenderer *renderer, GLuint fbo) override;
QSGTexture *createTexture(const QImage &image, uint flags = CreateTexture_Alpha) const override;
QSGRenderer *createRenderer() override;
QWindow *currentWindow;
bool m_initialized;
};
class Context : public QSGContext
{
Q_OBJECT
public:
explicit Context(QObject *parent = 0);
QSGRenderContext *createRenderContext() override { return new RenderContext(this); }
QSGRectangleNode *createRectangleNode() override;
QSGImageNode *createImageNode() override;
QSGPainterNode *createPainterNode(QQuickPaintedItem *item) override;
QSGGlyphNode *createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode) override;
QSGNinePatchNode *createNinePatchNode() override;
QSGLayer *createLayer(QSGRenderContext *renderContext) override;
QSurfaceFormat defaultSurfaceFormat() const override;
};
} // namespace
#endif // CONTEXT_H
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